class local and global variables

class_local_global.cpp

#include "iostream"
using namespace std;

int weird = 10;


// 'weird' gets constructor local
class lab
{
	int weird;
public:
	lab(){
		// int weird = 11;
		this->weird = 12;
		std::cout << "this gets constructor local: " << weird << std::endl;
		std::cout << "this gets class local: " << this->weird << std::endl;
		std::cout << "this gets global: " << ::weird << std::endl << std::endl;

	}

};

// 'weird' gets class local
class lap
{
	int weird;
public:
	lap(){
		weird = 14;
		std::cout << "this gets class local: " << weird << std::endl;
		std::cout << "this gets global: " << ::weird << std::endl << std::endl;
	}

};

// 'weird' gets global
class laj
{
public:
	laj(){
		std::cout << "this gets global: " << weird << std::endl << endl;
	}
};

int main(int argc, char const *argv[])
{
	lab lab1;
	// std::cout << weird << std::endl;
	lap lap1;
	laj laj1;
	return 0;
}